2 ms·

They are blue, kinda, bureaucracy at it's best - http://www.atlasobscura.com/articles/japan-green-traffic-lights-blue http://www.atlasobscura.com/articles/japa

• nihonde 9y ago
  That’s one of the amusing but unconvincing anecdotes that I referred to above. It doesn’t explain old family names like 青葉 or 青森.